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Drainage Kits
  • Shop All
  • Drainage Kits
    • Popular Manufacturers
      • TDS
      • NDS
      • POLYCAST®
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Channel Materials
      • Fiberglass
      • Plastic
      • Polymer Concrete
      • Stainless Steel
      • Pour in Place (Concrete)
      • All Channel Materials
    • Load Class
      • Load Class A
      • Load Class B
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      • All Load Classes
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    • Popular Manufacturers
      • TDS
      • Bronze Age
      • NDS
      • Polycast
      • Polylok
      • ULMA
      • Zurn
      • All Manufacturers
    • Popular Drainage Systems
      • Dura Slope
      • FP1200
      • Mini Channel
      • Polycast 600/700
      • Slim Channel
      • SS600
      • ULMA U100K(X)
      • All Drainage Systems
    • Grate Material
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      • Bronze
      • Ductile/Cast Iron
      • Fiberglass
      • Galvanized Steel
      • Plastic
      • Stainless Steel
      • All Grate Materials
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  • New Image Coming Soon

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    POLYCAST 500 Series Kit w/ DG0641D-G Slotted Ductile Iron-Galvanized Grate and HDPE Frame

    Regular price From $446.03 USD
    Regular price Sale price From $446.03 USD
    Unit price /  per 
  • New Image Coming Soon

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate & Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0675HD-G Transverse Slotted Ductile Iron-Galvanized Grate & Edge

    Regular price $494.55 USD
    Regular price Sale price $494.55 USD
    Unit price /  per 
  • FPK-FG1241-G

    Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG1241 14" Wide Class C Grate - MD Galvanized Frame

    Request quote
  • ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    ZURN Z884 Drainage Kit w/ P4-HPP-GREEN HDPE Grate - Bottom Outlet

    Regular price From $349.18 USD
    Regular price Sale price From $349.18 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3043D 8" Wide Class D Grate - HD Galvanized Frame

    Request quote
  • POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate | Load Class B

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate | Load Class B

    POLYCAST 500 Series Kit with DG0640 Slotted Galvanized Grate | Load Class B

    Regular price From $284.79 USD
    Regular price Sale price From $284.79 USD
    Unit price /  per 
  • FFK-FG1241

    Trench•Era™ FF Series Drain System w/DG1241 14" Wide Class C Grate - HD Galvanized Frame

    Trench•Era™ FF Series Drain System w/DG1241 14" Wide Class C Grate - HD Galvanized Frame

    Request quote
  • TDS 3000 galvanized grate DG3048R

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    TDS DG3048R Class C BAR Galvanized 8" x 24" Grate

    Regular price $361.89 USD
    Regular price Sale price $361.89 USD
    Unit price /  per 
  • Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG0875 10" Wide Class E ADA Grate - HD Galvanized Frame

    Request quote
  • FPK-DG3044-G

    Trench•Era™ FP Series Drain System w/FG3044 8" Wide VE Fiberglass I-BAR Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/FG3044 8" Wide VE Fiberglass I-BAR Grate - MD Galvanized Frame

    Request quote
  • Dura-DecoSlotted-Grate-TDSdrains dura slope deco cast iron grate

    NDS® DS-604 Class C Brick Ductile Iron 6" x 24" Grate - RAW

    NDS® DS-604 Class C Brick Ductile Iron 6" x 24" Grate - RAW

    Regular price $127.08 USD
    Regular price Sale price $127.08 USD
    Unit price /  per 
  • Z884-P4-PG ZURN Z884 with Galv Perf Class A

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks

    ZURN Z884 Drainage Kit w/ P4-PS Stainless Steel Perforated Grate - Vandal Proof Locks

    Regular price From $609.42 USD
    Regular price Sale price From $609.42 USD
    Unit price /  per 
  • Spee-D BA Square Deco Galvanized Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-DECO-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • Spee-D BA Cathedral Galvanized Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Bronze Age TDS-CATH-0448 Galvanized Steel 4.09" x 48" (Nominal) Grate

    Regular price $125.40 USD
    Regular price Sale price $125.40 USD
    Unit price /  per 
  • RG-151224-AB

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    RG-151224-AB Heavy Duty Ductile Iron Slotted 12″ x 24″ x 1.5″ Grate | TDS

    Regular price $217.44 USD
    Regular price Sale price $217.44 USD
    Unit price /  per 
  • FPK-DG3041D-G

    Trench•Era™ FP Series Drain System w/DG3041D 8" Wide Class F Grate - MD Galvanized Frame

    Trench•Era™ FP Series Drain System w/DG3041D 8" Wide Class F Grate - MD Galvanized Frame

    Request quote
  • UNV100KA ULMA Open End Cap

    UNV100KA / TUNIU100KGA Universal Galvanized Steel End Outlet ULMA100K

    Sale

    UNV100KA / TUNIU100KGA Universal Galvanized Steel End Outlet ULMA100K

    Regular price $39.18 USD
    Regular price $50.37 USD Sale price $39.18 USD
    Unit price /  per 
    Sale
  • Polycast600 DP0650 Catch Basin with Galvanized Steel Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate

    POLYCAST® DP0650 Inline Catch Basin w/DG0620H Galvanized Cathedral Grate

    Regular price $432.66 USD
    Regular price Sale price $432.66 USD
    Unit price /  per 
  • FFK-DG3041D

    Trench•Era™ FF Series Drain System w/DG3041D 8" Wide Class F Grate - HD Galvanized Frame

    Trench•Era™ FF Series Drain System w/DG3041D 8" Wide Class F Grate - HD Galvanized Frame

    Request quote
  • TP0650S Catch Basin with DG0621 Slot Galvanized with DG0620 Cathedral Galvanized

    TV0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    TV0650S (Shallow) Catch Basin Kit w/ DG0620H for POLYCAST®

    Regular price $492.97 USD
    Regular price Sale price $492.97 USD
    Unit price /  per 
  • DP0650-GE-641D Polycast 600 Inline Catch Basin with Galvanized Edge and Ductile Iron Slotted Grates

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D Slotted Ductile Iron Grate & Galv. Edge

    POLYCAST® DP0650 Inline Catch Basin w/DG0641D Slotted Ductile Iron Grate & Galv. Edge

    Regular price $454.35 USD
    Regular price Sale price $454.35 USD
    Unit price /  per 
  • MCKs-BA-FOAM-0336 Sand Mini Channel with Perforated Foam Stainless Steel Grates

    NDS® Sand Mini Channel Kit w/Foam 316 Stainless Steel HP Grates

    NDS® Sand Mini Channel Kit w/Foam 316 Stainless Steel HP Grates

    Regular price From $312.47 USD
    Regular price Sale price From $312.47 USD
    Unit price /  per 
  • New Image Coming Soon

    MV+200K10 End Outlet - Galv Edge

    MV+200K10 End Outlet - Galv Edge

    Regular price $53.95 USD
    Regular price Sale price $53.95 USD
    Unit price /  per 
  • aluminum grates

    ULMA 425 / GN100KCCM Class C Slotted Reinforced Galvanized Steel 122mm x 500mm Grate

    Sale

    ULMA 425 / GN100KCCM Class C Slotted Reinforced Galvanized Steel 122mm x 500mm Grate

    Regular price $39.79 USD
    Regular price $51.16 USD Sale price $39.79 USD
    Unit price /  per 
    Sale
  • UNV100KC ULMA Closed End Cap

    UNV100KC / TUNIU100KGC Universal Galvanized Steel End Cap ULMA100K

    Sale

    UNV100KC / TUNIU100KGC Universal Galvanized Steel End Cap ULMA100K

    Regular price $23.55 USD
    Regular price $30.28 USD Sale price $23.55 USD
    Unit price /  per 
    Sale
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Resources

Shipping / Returns

Determining Your Grate Size

Load Class Chart

Installer Map

Drainage News

  • How Do You Clean Out a Trench Drain Without Damaging It?

    May 27, 2026
  • What is Load Class and Why Is It Important?

    Feb 23, 2024
  • Keeping Livestock Safe – Grate Ideas

    Feb 02, 2024
  • TDS Bronze Age™ Collection

    Oct 31, 2023

On Sale

  • ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    ULMA 424 / GN100KCC, Class C, Slotted Reinforced Galvanized Steel 124mm x 1M Grate

    $80.36 $62.50
  • ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    ULMA 420 / GN100KCA, Class A, Slotted Galvanized Steel 122mm x 1M Grate

    $37.45 $26.22
  • LD100X-2 Locking Device for ULMA Grates

    LD100X-2 Locking Device for ULMA Grates

    $12.96 $10.08
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